Mangesh V. Bhadrike, Vipul Patel, and Pragnesh Patel. “A COMPARATIVE ANALYSIS OF THE EFFECT OF HEAT TREATMENT & TURNING PROCESS PARAMETERS ON EN 19 – A Review”. International Journal of Advance Research in Engineering, Science & Technology, vol. 3, no. 4, Apr. 2016, pp. 414-7, https://ijarest.org/index.php/ijarest/article/view/566.